<form class="tableform" id="import_form" enctype="multipart/form-data" target="uploadframe" method="post" action="index.php?app=o2o&ctl=admin_store&act=to_import&action=to_import">
    <h4>上传.CSV文件</h4>
    <div class="division">
        <input type="file" id="ImportCSV" name="import_file">
    </div>
    <div class="table-action">
        <button class="btn" type="submit" id="ImportBtn"><span><span>导入</span></span></button>
    </div>
</form>